Sound check

Singer Marc Anthony heads off stage after performing the Star Spangled Banner for a sound check at the Time Warner Cable Arena in Charlotte N.C. at the Democratic National Convention.

Singer Marc Anthony heads off stage after performing the Star Spangled Banner for a sound check at the Time Warner Cable Arena in Charlotte N.C. at the Democratic National Convention. (Nancy Stone, Chicago Tribune)

Singer Marc Anthony heads off stage after performing the Star Spangled Banner for a sound check at the Time Warner Cable Arena in Charlotte N.C. at the Democratic National Convention.